TEST AND ADJUSTMENTS
49TPI10EN04
15
TTTT: 4 digits for the PLU tare
MMMMMMMMMMMMM: 13 digits for the PLU description ( ignored
by the scale)
S
1
S
2
: Status
0 0 : Correct.
0 1 : General error. Start-up error, adjustment error…
0 2 : Parity error or more than available characters. IS
NOT PROCESSED
1 0 : Frame number incorrect (numeric field on header).
1 1 : Base price not valid.
1 2 : Tare not valid.
1 3 : Received text not valid. IT IS NOT PROCESSED.
2 0 : Unstable weight.
2 1 : The weight does not vary from the last opartion.
2 2 : The amount is not calculated.
3 0 : Minimum weight range. Weight 00.000
3 1 : Negative weight, “-------------“ on display.
3 2 : Overload, “------------“ on display.
NOTE:
- Cash Register / Scale synchronization sequence
When the scale receives the frames 1, 2, 3, or 4:
o The first time that is switch on,
o If there has been a parity error,
o If it has carried out 50 weight operations,
Responds with the frame of correction values request:
S
X
11E
C
2ZZE
X
Where ZZ is a directly dependent to momentary weight calculated number
The Cash Register responds to the previous frame with:
E
T
S
X
10E
C
VWXYZE
X
Where V, W, X, Y, Z are groups of 8 checksum characters calculated from number ZZ. At
least the V has to be calculated.
Then the Scale responds with ACK.
The Cash Register sends the frame:
E
T
E
Q
And then the scale sends the frame
S
X
11E
C
1E
X
if all is all right.
To finish the Cash Register sends again the frame:
E
T
E
Q
And the scale responds
S
X
02… with the corresponding data
or
NAK if it has been an error.
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